{"note":"","code":"<xml xmlns=\"http://www.w3.org/1999/xhtml\"><variables><variable type=\"\" id=\"fTeV3CB3epRatwOpenyo\">sum</variable><variable type=\"\" id=\"p4L5K925qcrOCcf00r17\">i</variable></variables><block type=\"variables_set\" id=\"tb7bolMuOCs1P2Pz7Ru8\" x=\"288\" y=\"-69\"><field name=\"VAR\" id=\"fTeV3CB3epRatwOpenyo\" variabletype=\"\">sum</field><value name=\"VALUE\"><shadow type=\"math_number\" id=\"nggRqo9SnB3kneXAAXtc\"><field name=\"NUM\">0</field></shadow></value><next><block type=\"controls_for\" id=\"FUT63mb63YGDjTOZFvvh\"><field name=\"VAR\" id=\"p4L5K925qcrOCcf00r17\" variabletype=\"\">i</field><value name=\"FROM\"><shadow type=\"math_number\" id=\"Qy02GctFuJqcEdTWEKRB\"><field name=\"NUM\">2</field></shadow></value><value name=\"TO\"><shadow type=\"math_number\" id=\"4MlFbl95dGVRQgxEU1DT\"><field name=\"NUM\">100</field></shadow></value><value name=\"BY\"><shadow type=\"math_number\" id=\"vc1sOifZUSt1CHUjHrDv\"><field 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id=\"8BszZwTEcLQQGDJs8nZn\"><mutation items=\"1\"></mutation><value name=\"TEXT\"><shadow type=\"text\" id=\"Bw02IUlYOiSX1zcjQRUl\"><field name=\"TEXT\">1-100的偶数累加和</field></shadow></value><value name=\"INPUT_0\"><shadow type=\"text\" id=\"HvkrMl4PW19RKTyTpjo3\"><field name=\"TEXT\"></field></shadow><block type=\"variables_get\" id=\"sIPEnXpU6tzRgrCQlxcX\"><field name=\"VAR\" id=\"fTeV3CB3epRatwOpenyo\" variabletype=\"\">sum</field></block></value></block></next></block></next></block></xml>","xml":"<xml xmlns=\"http://www.w3.org/1999/xhtml\"><variables><variable type=\"\" id=\"fTeV3CB3epRatwOpenyo\">sum</variable><variable type=\"\" id=\"p4L5K925qcrOCcf00r17\">i</variable></variables><block type=\"variables_set\" id=\"tb7bolMuOCs1P2Pz7Ru8\" x=\"288\" y=\"-69\"><field name=\"VAR\" id=\"fTeV3CB3epRatwOpenyo\" variabletype=\"\">sum</field><value name=\"VALUE\"><shadow type=\"math_number\" id=\"nggRqo9SnB3kneXAAXtc\"><field name=\"NUM\">0</field></shadow></value><next><block 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